<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>
<!--View层-->
<div id="app1">
    {{message}}<br>
    <span v-bind:title="message">
        鼠标悬停会出现动态绑定的提示信息
    </span>
</div>

<!--导入Vue.js-->
<script SRC="http://cdn.jsdelivr.net/npm/vue@2.5.21/dist/vue.min.js"></script>
<script>
    let vo = new Vue({
        el: "#app1",
        data: {
            message: "hello Vue"
        }
    });
</script>
</body>
</html>